A Denver commercial remodel touching just the interior finishes of one office suite rarely triggers a building-wide review. A remodel replacing the roof, adding significant new conditioned space, or overhauling the HVAC system usually does. Colorado’s adopted energy code follows a simple principle for existing buildings. Energy code compliance only applies to the specific systems …

A Denver surgical center needs HVAC-focused insulation because the mechanical system inside an operating room follows rules a standard office building never faces. ASHRAE 170 requires a minimum of 20 total air changes per hour in an operating room, with at least four of those changes bringing in outdoor air. The room also needs constant …